[Objective] To compare soil water-soluble organic carbon(WSOC) content, seasonal variation and its correlation of soil properties between the adjacent natural secondary forest and plantation, for estimating the effect of different vegetation restoration patterns on soil carbon pool. [Methods] Taking different vegetation communities of Fengyang Mountain in Zhejiang Province as object, based on the field investigation and experimental measurement, the adjacent sample comparison method was adopt. [Results] The average content of WSOC under different vegetation communities followed the order of Cunninghamia lanceolata plantation of 35 years old(0.299 7 g/kg) > evergreen broad-leaved secondary forest of 40 years old(0.271 7 g/kg) > coniferous and broad-leaved mixed secondary forest of 35 years old(0.258 6 g/kg) > Cunninghamia lanceolata plantation of 40 years old(0.252 9 g/kg) > Cryptomeria fortunei plantation of 30 years old(0.252 8 g/kg) > coniferous and broad-leaved mixed secondary forest of 30 years old(0.248 0 g/kg)at 0-60 cm depth. WSOC content of plantation were greater than natural secondary forest in adjacent plots. The minimum value of WSOC in different vegetation communities always appeared in summer. [Conclusion] The WSOC content has significant or extremely significant positive correlation with soil total organic carbon, total nitrogen, available phosphorus and available potassium, but has significant or extremely significant negative correlation with soil pH value and bulk density.